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- Corporate/Agency Authors:
- National Science Foundation
- Publisher:
- National Science Foundation
- Date:
- Mar. 25, 1963
- SuDoc number:
- NS 1.19:963
- Corporate/Agency Authors:
- National Science Foundation
- Publisher:
- National Science Foundation
- Date:
- Mar. 25, 1962
- SuDoc number:
- NS 1.19:962
- Corporate/Agency Authors:
- National Science Foundation
- Publisher:
- National Science Foundation
- Date:
- Mar. 20, 1961
- SuDoc number:
- NS 1.19:961
- Corporate/Agency Authors:
- National Science Foundation
- Publisher:
- National Science Foundation
- Date:
- [1960.]
- SuDoc number:
- NS 1.19:960